Business Details
48 Years
experience
Sustainable Heating Solutions for UK Homes
At Grant UK, we have dedicated over four decades to pioneering sustainable and high-performance heating systems that address rising fuel costs and climate challenges. Since 1978, our expertise in designing oil-fired boilers, air source heat pumps, and hybrid solutions has positioned us as a trusted leader in residential heating. Our award-winning products, including HVO-compatible boilers and Quiet Mark-accredited heat pumps, reflect our commitment to innovation and environmental responsibility. We provide comprehensive support through extended warranties, ServicePlan maintenance packages, and a nationwide network of certified installers.Our mission is to empower homeowners with choice, offering both traditional and renewable technologies to ensure efficient, future-ready heating solutions. Backed by 35+ industry awards, we combine technical excellence with customer-centric service, including online product registration, installer locators, and educational resources. Our partnerships with initiatives like Bath Rugby Club's Kick The Carbon campaign demonstrate our dedication to sustainability beyond product offerings. With manufacturing excellence and MCS-approved systems eligible for government grants, we deliver reliable, low-carbon heating solutions tailored to modern homes.
Services
Oil Boilers
Air Source Heat Pumps
Hybrid Heating Systems
Underfloor Heating
Solar Thermal Systems
Hot Water Cylinders
Aluminium Radiators
Product Support Services
Installer Network
Service Maintenance
Details
- Year established: 1978
Highlights and features
- We have over 40 years of experience in residential heating system design
- Our products have won 35+ industry awards for innovation and performance
- We offer HVO-compatible boilers and renewable heating solutions
- We provide nationwide installer networks and extended warranty options
- Our systems qualify for government grants through MCS certification
Associations and certifications
- ISO 9001
- Microgeneration Certification Scheme (MCS)
What people say
Energy-efficient systems
Reliable support
Knowledgeable installers
Modern design
Award-winning products
Services
Air Source Heat Pumps
Our Aerona air source heat pumps utilise advanced R290 refrigerant technology to convert ambient air into efficient home heating. With Quiet Mark accreditation and 7-year guarantees when installed by certified professionals, these systems reduce carbon emissions while maintaining high performance. Eligible for government grants through MCS certification, they offer sustainable alternatives to traditional heating systems.
HVO Compatible Boilers
The Vortex Pro oil boiler range offers seamless conversion to Hydrotreated Vegetable Oil (HVO) biofuel, reducing carbon footprint without compromising heating efficiency. Featuring up to 10-year guarantees and modern burner technology, these boilers provide transitional solutions for homeowners seeking greener alternatives while maintaining existing infrastructure compatibility.
Underfloor Heating
Uflex underfloor heating systems deliver even heat distribution through engineered pipework solutions. Compatible with both traditional boilers and renewable energy sources, our systems include MINI variants for space-constrained properties and smart controls for optimised energy management, enhancing comfort across residential spaces.
Solar Thermal Systems
Grant Solar Collectors harness sunlight to provide domestic hot water through evacuated tube technology. Integrated with our Quick Recovery cylinders, these systems reduce reliance on conventional heating while maintaining consistent performance. The WinterSol and CombiSol ranges offer tailored solutions for different property types and energy requirements.
Installer Support
Our nationwide network of G1-certified installers receives comprehensive training and technical resources. From product registration to ServicePlan maintenance packages, we offer extended warranties, online support tools, and dedicated assistance to ensure proper system installation and long-term performance optimisation for all heating solutions.
Questions
What heating solutions does Grant UK offer?
We provide oil boilers, air source heat pumps, hybrid systems, underfloor heating, solar thermal systems, and compatible hot water cylinders for residential properties.
Are Grant products eligible for government grants?
Yes, our MCS-certified Aerona heat pumps qualify for the Boiler Upgrade Scheme with grants up to £7,500 when installed by approved professionals.
Can existing boilers be converted to renewable energy?
Our Vortex oil boilers can be converted to use HVO biofuel through simple modifications, offering a transitional solution towards carbon neutrality.
How do I find a certified installer?
Use our online installer locator tool to find G1-certified professionals qualified to install and service Grant heating systems in your area.
What warranties are available?
We offer up to 10-year guarantees on oil boilers and 7-year guarantees on heat pumps when installed by certified professionals, with extended warranty options available.
Do you provide technical support for installed systems?
Yes, our ServicePlan maintenance packages and nationwide installer network provide ongoing technical support and servicing for all Grant systems.
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